WO2013122374A1 - Procédé et appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil - Google Patents

Procédé et appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil Download PDF

Info

Publication number
WO2013122374A1
WO2013122374A1 PCT/KR2013/001109 KR2013001109W WO2013122374A1 WO 2013122374 A1 WO2013122374 A1 WO 2013122374A1 KR 2013001109 W KR2013001109 W KR 2013001109W WO 2013122374 A1 WO2013122374 A1 WO 2013122374A1
Authority
WO
WIPO (PCT)
Prior art keywords
prose
message
information
ims
sip
Prior art date
Application number
PCT/KR2013/001109
Other languages
English (en)
Korean (ko)
Inventor
김래영
김재현
김태현
김현숙
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US14/376,820 priority Critical patent/US9706340B2/en
Priority to KR1020147021124A priority patent/KR20140128972A/ko
Publication of WO2013122374A1 publication Critical patent/WO2013122374A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Definitions

  • the following description relates to a wireless communication system, and more particularly, to a method and apparatus for performing a proximity service.
  • Proximity Service refers to a method of supporting communication between devices located in a physical location. Specifically, ProSe aims to support the operation of discovering applications running on devices in close proximity to each other, and ultimately exchanging application-related data. For example, it may be considered that ProSe is applied to applications such as social network services (SNS), commerce, and games.
  • SNS social network services
  • ProSe may be referred to as device-to-device (D2D) communication. That is, by establishing a direct link between a plurality of devices (eg, user equipments (UEs)), communication between user devices (eg, voice, multimedia data, etc.) is directly exchanged between devices without going through a network.
  • D2D device-to-device
  • ProSe communication may include a scheme such as UE-to-UE communication, Peer-to-Peer communication, and the like.
  • the ProSe communication method may be applied to machine-to-machine communication (M2M), machine type communication (MTC), and the like. Therefore, ProSe is considered as one way to solve the burden of the base station due to the rapidly increasing data traffic.
  • the introduction of ProSe can reduce the procedure of the base station, decrease the power consumption of the devices participating in the ProSe, increase the data transmission speed, increase the capacity of the network, load balancing, cell coverage can be expected.
  • IP Multimedia Subsystem is an architectural framework for delivering IP multimedia services in various wired / wireless communication networks.
  • IMS uses protocols such as Session Initiation Protocol (SIP), which can be applied to various networks.
  • SIP Session Initiation Protocol
  • SIP is a signaling protocol that controls multimedia service sessions over IP and can be used to create, modify, and terminate unicast or multicast sessions.
  • IMS helps users easily access multimedia and voice data through various wired / wireless device (s).
  • Session comprising one or more media flows (or media streams) may be configured via IMS.
  • An IMS session can be expressed as a logical connection between the local side and the remote side via IMS network nodes.
  • the counterpart terminal or server of the UE on the local side may be referred to as a remote end or a remote party.
  • the remote end is an entity that exchanges media flows with the local terminal through the IMS network.
  • a method of performing a proximity service (ProSe) by a first Internet Protocol Multimedia Subsystem (IMS) terminal in a wireless communication system the first IMS terminal Transmitting a first Session Initiation Protocol (SIP) message including the ProSe communication request information to a second IMS terminal via a network node; And receiving a second SIP message including ProSe communication response information from the second IMS terminal via the network node.
  • SIP Session Initiation Protocol
  • a method of performing a proximity service (ProSe) by a second Internet Protocol Multimedia Subsystem (IMS) terminal in a wireless communication system the second IMS Receiving, by the terminal, a first Session Initiation Protocol (SIP) message including ProSe communication request information from the first IMS terminal via a network node; And transmitting a second SIP message including ProSe communication response information to the first IMS terminal via the network node.
  • SIP Session Initiation Protocol
  • a first Internet Protocol Multimedia Subsystem (IMS) terminal device performing Proximity Service (ProSe) in a wireless communication system includes a transmission / reception module; And a processor, wherein the first IMS terminal transmits a first Session Initiation Protocol (SIP) message including ProSe communication request information to a second IMS terminal via a network node by using the transmission / reception module. and; The transmission / reception module may be configured to receive a second SIP message including ProSe communication response information from the second IMS terminal via the network node.
  • SIP Session Initiation Protocol
  • a second Internet Protocol Multimedia Subsystem (IMS) terminal device performing Proximity Service (ProSe) in a wireless communication system includes a transmission / reception module; And a processor, wherein the second IMS terminal receives a first Session Initiation Protocol (SIP) message including ProSe communication request information from a first IMS terminal via a network node by using the transmission / reception module. and; The second SIP message including ProSe communication response information may be transmitted to the first IMS terminal via the network node using the transmission / reception module.
  • SIP Session Initiation Protocol
  • the first SIP message may further include ProSe capability related information of the first IMS UE.
  • the second SIP message may further include ProSe capability related information of the second IMS UE.
  • the ProSe capability related information may include one or more of information on one or more capabilities required to perform ProSe or information indicating whether to activate the one or more capabilities.
  • the ProSe capability related information may be defined as one or more granularities of a type of media or content, a type of bearer or connection, an application type, a destination domain, a communication counterpart identifier, a contact list, or group information.
  • the first SIP message may be a session setup request message or a session update request message
  • the second SIP message may be a session setup response message or a session update response message.
  • the first SIP message may be a session setup response message or a session update response message
  • the second SIP message may be a response acknowledgment message
  • the method may further include transmitting a third message including ProSe capability related information of the first IMS terminal to the network node.
  • the third message may be one of a SIP registration message, a presence service subscription request message, or an existence service announcement request message.
  • the method may further include receiving, from the network node, a fourth message including information indicating whether ProSe is provided in the network.
  • ProSe may include one or more subscriber information of the first IMS terminal or the second IMS terminal, ProSe capability of the network node, an operator policy, a user preference, roaming, and network congestion. Or may be determined by the network node based on one or more of information about the proximity of the first IMS terminal and the second IMS terminal.
  • the fourth message may be one of a SIP registration response message, an existence service subscription response message, an existence service announcement response message, or an existence service notification message.
  • the fourth message includes information for requesting or indicating activation or deactivation of ProSe capabilities for at least one of the first IMS terminal or the second IMS terminal, ProSe capability related information of the target terminal of the existing service, or the existence of the fourth IMS terminal. It may include one or more of the information indicating whether ProSe availability of the target terminal of the service.
  • the network node may be one or more of a call session control function (CSCF), a ProSe application server (AS), or a presence service server.
  • CSCF call session control function
  • AS ProSe application server
  • ProSe result related information is transmitted from either the first IMS terminal or the second IMS terminal to the network node. Can be.
  • the ProSe result related information may include information indicating success or failure of direct data path setup, information about one or more of the amount or time of data communicated through the direct data path, billing related information, and communication through the direct data path.
  • the type of media or content the number of counterpart UEs communicating via the direct data path, the information on the direct data path's directionality, the type of access used in the direct data path, or the number of bearers used in the direct data path And information on the kind.
  • the network node may be one or more of a call session control function (CSCF), a ProSe application server (AS), or a presence service server.
  • CSCF call session control function
  • AS ProSe application server
  • the ProSe communication request information may be included in the first SIP message by at least one of the first IMS terminal or the network node.
  • a method and apparatus for an operation scheme of a terminal and an operation scheme of a network node for performing communication through a direct data path based on ProSe in operation of an IMS terminal may be provided.
  • FIG. 1 is a diagram illustrating a schematic structure of an EPS (Evolved Packet System) including an Evolved Packet Core (EPC).
  • EPS Evolved Packet System
  • EPC Evolved Packet Core
  • FIG. 2 is a diagram illustrating a default data path through which two UEs communicate in EPS.
  • FIG. 2 is a diagram illustrating a default data path through which two UEs communicate in EPS.
  • 3 is a diagram illustrating a direct mode data path between two UEs based on ProSe.
  • FIG. 4 is a diagram illustrating a locally-routed data path between two UEs based on ProSe.
  • FIG. 5 is a diagram schematically illustrating a structure of an IMS-based wireless communication system.
  • FIG. 6 is a diagram illustrating an IMS registration process for an IMS-based ProSe operation according to the present invention.
  • FIG. 7 is a diagram illustrating a registration process of ProSe capability related information for an IMS-based ProSe operation according to the present invention.
  • FIG. 8 is a diagram illustrating an example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • FIG 9 illustrates another example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • FIG. 10 illustrates another example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • FIG. 11 is a diagram illustrating an IMS session update process for an IMS-based ProSe operation according to the present invention.
  • FIG. 12 is a diagram illustrating a ProSe and existence service interworking operation according to the present invention.
  • FIG. 13 is a diagram showing the configuration of a preferred embodiment of a terminal device and a network node device according to an example of the present invention.
  • each component or feature may be considered to be optional unless otherwise stated.
  • Each component or feature may be embodied in a form that is not combined with other components or features.
  • some components and / or features may be combined to form an embodiment of the present invention.
  • the order of the operations described in the embodiments of the present invention may be changed. Some components or features of one embodiment may be included in another embodiment or may be replaced with corresponding components or features of another embodiment.
  • Embodiments of the present invention may be supported by standard documents disclosed in relation to at least one of the Institute of Electrical and Electronics Engineers (IEEE) 802 series system, 3GPP system, 3GPP LTE and LTE-A system, and 3GPP2 system. That is, steps or parts which are not described to clearly reveal the technical spirit of the present invention among the embodiments of the present invention may be supported by the above documents. In addition, all terms disclosed in the present document can be described by the above standard document.
  • IEEE Institute of Electrical and Electronics Engineers
  • UMTS Universal Mobile Telecommunications System
  • GSM Global System for Mobile Communication
  • EPS Evolved Packet System
  • EPC Evolved Packet Core
  • IP-based packet switched core network IP-based packet switched core network
  • UMTS is an evolutionary network.
  • NodeB base station of GERAN / UTRAN. It is installed outdoors and its coverage is macro cell size.
  • eNodeB base station of LTE. It is installed outdoors and its coverage is macro cell size.
  • the UE User Equipment: a user device.
  • the UE may be referred to in terms of terminal, mobile equipment (ME), mobile station (MS), and the like.
  • the UE may be a portable device such as a laptop, a mobile phone, a personal digital assistant (PDA), a smart phone, a multimedia device, or the like, or may be a non-portable device such as a personal computer (PC) or a vehicle-mounted device.
  • the UE is a UE capable of communicating in the 3GPP spectrum such as LTE and / or non-3GPP spectrum such as WiFi, public safety spectrum.
  • Proximity Services or Proximity-based Services A service that enables discovery between physically close devices, and direct communication / communication via a base station / communication through a third party device.
  • user plane data is exchanged through a direct data path without passing through a 3GPP core network (eg, EPC).
  • 3GPP core network eg, EPC
  • Proximity Whether a UE is in proximity to another UE depends on whether a given proximity criterion is satisfied. Proximity criteria may be given differently for ProSe discovery and ProSe communication. In addition, the proximity criterion may be set to be controlled by the operator.
  • ProSe Discovery A process of identifying which UE is in proximity to another UE using E-UTRA.
  • ProSe Communication Communication between adjacent UEs performed via a communication path established between the UEs.
  • the communication path may be established directly between the UEs or may be routed through local base station (eNodeB) (s).
  • eNodeB local base station
  • ProSe-enabled UE UE that supports ProSe discovery and / or ProSe communication.
  • ProSe-enabled Network A network that supports ProSe discovery and / or ProSe communication.
  • RAN Radio Access Network: a unit including a NodeB, an eNodeB and a Radio Network Controller (RNC) controlling them in a 3GPP network. It exists between the UE and the core network and provides a connection to the core network.
  • RNC Radio Network Controller
  • HLR Home Location Register
  • HSS Home Subscriber Server
  • RANAP RAN Application Part: an interface between the RAN and a node (Mobility Management Entity (MME) / Serving General Packet Radio Service (GPRS) Supporting Node) / MSC (Mobiles Switching Center) that is in charge of controlling the core network .
  • MME Mobility Management Entity
  • GPRS General Packet Radio Service
  • MSC Mobiles Switching Center
  • PLMN Public Land Mobile Network
  • Non-Access Stratum A functional layer for sending and receiving signaling and traffic messages between a UE and a core network in a UMTS protocol stack. The main function is to support the mobility of the UE and to support a session management procedure for establishing and maintaining an IP connection between the UE and the PDN Packet Data Network Gateway (GW).
  • NAS Non-Access Stratum
  • HNB Home NodeB
  • CPE Customer Premises Equipment
  • UTRAN UMTS Terrestrial Radio Access Network
  • HeNodeB Home eNodeB
  • CPE Customer Premises Equipment
  • E-UTRAN Evolved-UTRAN
  • CSG Closed Subscriber Group
  • PLMN Public Land Mobile Network
  • LIPA Local IP Access
  • An IP capable UE accesses an entity with another IP function within the same residential / enterprise IP network via H (e) NB.
  • LIPA traffic does not pass through the operator network.
  • it provides access to resources on the local network (i.e., the network located in the customer's home or company premises) via H (e) NB.
  • IPTO IP Traffic Offload
  • Packet Data Network (PDN) connection Logical connection between the UE represented by one IP address (one IPv4 address and / or one IPv6 prefix) and the PDN represented by an Access Point Name (APN).
  • IP address one IPv4 address and / or one IPv6 prefix
  • API Access Point Name
  • IMS IP Multimedia Subsystem
  • IMS Registration A process in which a UE informs a home IMS network of information related to its current location.
  • AS Application Server
  • SCC Service Centralization and Continuity Application Server An application server that supports multimedia session persistence.
  • CSCF Call Session Control Function
  • P-CSCF Proxy-CSCF
  • S-CSCF Serving-CSCF
  • I-CSCF Interrogating-CSCF
  • EPC Evolved Packet Core
  • FIG. 1 is a diagram illustrating a schematic structure of an EPS (Evolved Packet System) including an Evolved Packet Core (EPC).
  • EPS Evolved Packet System
  • EPC Evolved Packet Core
  • SAE System Architecture Evolution
  • SAE is a research project to determine network structure supporting mobility between various kinds of networks.
  • SAE aims to provide an optimized packet-based system, for example, supporting various radio access technologies on an IP basis and providing improved data transfer capability.
  • the EPC is a core network of an IP mobile communication system for a 3GPP LTE system and may support packet-based real-time and non-real-time services.
  • a conventional mobile communication system i.e., a second generation or third generation mobile communication system
  • the core network is divided into two distinct sub-domains of circuit-switched (CS) for voice and packet-switched (PS) for data.
  • CS circuit-switched
  • PS packet-switched
  • the function has been implemented.
  • the sub-domains of CS and PS have been unified into one IP domain.
  • EPC IP Multimedia Subsystem
  • the EPC may include various components, and in FIG. 1, some of them correspond to a serving gateway (SGW), a packet data network gateway (PDN GW), a mobility management entity (MME), and a serving general packet (SGRS) Radio Service (Supporting Node) and Enhanced Packet Data Gateway (ePDG) are shown.
  • SGW serving gateway
  • PDN GW packet data network gateway
  • MME mobility management entity
  • SGRS serving general packet
  • Radio Service Upporting Node
  • ePDG Enhanced Packet Data Gateway
  • the SGW acts as a boundary point between the radio access network (RAN) and the core network, and is an element that functions to maintain a data path between the eNodeB and the PDN GW.
  • the SGW serves as a local mobility anchor point. That is, packets may be routed through the SGW for mobility in the E-UTRAN (Universal Mobile Telecommunications System (Evolved-UMTS) Terrestrial Radio Access Network defined in 3GPP Release-8 or later).
  • E-UTRAN Universal Mobile Telecommunications System (Evolved-UMTS) Terrestrial Radio Access Network defined in 3GPP Release-8 or later.
  • SGW also provides mobility with other 3GPP networks (RANs defined before 3GPP Release-8, such as UTRAN or GERAN (Global System for Mobile Communication (GSM) / Enhanced Data Rates for Global Evolution (EDGE) Radio Access Network). It can also function as an anchor point.
  • RANs defined before 3GPP Release-8 such as UTRAN or GERAN (Global System for Mobile Communication (GSM) / Enhanced Data Rates for Global Evolution (EDGE) Radio Access Network). It can also function as an anchor point.
  • GSM Global System for Mobile Communication
  • EDGE Enhanced Data Rates for Global Evolution
  • the PDN GW corresponds to the termination point of the data interface towards the packet data network.
  • the PDN GW may support policy enforcement features, packet filtering, charging support, and the like.
  • mobility management between 3GPP networks and non-3GPP networks for example, untrusted networks such as Interworking Wireless Local Area Networks (I-WLANs), code-division multiple access (CDMA) networks, or trusted networks such as WiMax) Can serve as an anchor point for.
  • untrusted networks such as Interworking Wireless Local Area Networks (I-WLANs), code-division multiple access (CDMA) networks, or trusted networks such as WiMax
  • I-WLANs Interworking Wireless Local Area Networks
  • CDMA code-division multiple access
  • WiMax trusted networks
  • FIG. 1 shows that the SGW and the PDN GW are configured as separate gateways, two gateways may be implemented according to a single gateway configuration option.
  • the MME is an element that performs signaling and control functions to support access to the network connection of the UE, allocation of network resources, tracking, paging, roaming and handover, and the like.
  • the MME controls control plane functions related to subscriber and session management.
  • the MME manages a number of eNodeBs and performs signaling for the selection of a conventional gateway for handover to other 2G / 3G networks.
  • the MME also performs functions such as security procedures, terminal-to-network session handling, and idle terminal location management.
  • SGSN handles all packet data, such as user's mobility management and authentication to other 3GPP networks (eg GPRS networks).
  • 3GPP networks eg GPRS networks.
  • the ePDG acts as a secure node for untrusted non-3GPP networks (eg, I-WLAN, WiFi hotspots, etc.).
  • untrusted non-3GPP networks eg, I-WLAN, WiFi hotspots, etc.
  • a terminal having IP capability includes an IP service network provided by an operator (ie, an operator) via various elements in the EPC, based on 3GPP access as well as non-3GPP access.
  • an operator ie, an operator
  • 3GPP access based on 3GPP access as well as non-3GPP access.
  • IMS IMS
  • FIG. 1 illustrates various reference points (eg, S1-U, S1-MME, etc.).
  • a conceptual link defining two functions existing in different functional entities of E-UTRAN and EPC is defined as a reference point.
  • Table 1 below summarizes the reference points shown in FIG. 1.
  • This reference point can be used in PLMN-to-PLMN-to-for example (for PLMN-to-PLMN handover)
  • no direct tunnel is formed, user plane tunneling is provided.
  • S5 Reference point providing user plane tunneling and tunnel management between the SGW and PDN GW. Used for SGW relocation because of UE mobility and when a connection to the PDN GW where the SGW is not co-located is required for the required PDN connectivity.
  • the PDN may be an operator external public or private PDN or, for example, an in-operator PDN for the provision of IMS services. This reference point corresponds to Gi in 3GPP access
  • S2a and S2b correspond to non-3GPP interfaces.
  • S2a is a reference point that provides the user plane with relevant control and mobility support between trusted non-3GPP access and PDNGW.
  • S2b is a reference point that provides the user plane with relevant control and mobility support between the ePDG and PDNGW.
  • the present invention proposes a control mechanism for supporting ProSe or D2D service in a mobile communication system such as 3GPP EPS (Evolved Packet System).
  • 3GPP EPS Evolved Packet System
  • ProSe's possible uses include the coherence of the user experience, including commercial / social services, network offload, public safety, and integration of existing infrastructure services (which includes aspects of reachability and mobility). It is to ensure that the).
  • public safety in cases where E-UTRAN coverage is not provided (in this case subject to compliance with local regulatory and operator policies, limited to specific frequency bands and specific terminals designated for public safety) Use cases and possible requirements are under discussion.
  • proximity-based applications / services are provided via LTE or WLAN, and that discovery and communication between devices are performed under operator / network control.
  • FIG. 2 is a diagram illustrating a default data path through which two UEs communicate in EPS.
  • FIG. 2 exemplarily shows a data path between UE-1 and UE-2 in a case where ProSe between UE-1 and UE-2 is not applied.
  • This basic path goes through the base station (ie eNodeB or Home eNodeB) and gateway nodes (ie EPC or operator network).
  • gateway nodes ie EPC or operator network.
  • FIG. 2 when UE-1 and UE-2 exchange data, data from UE-1 passes through eNodeB-1, S-GW / P-GW, and eNodeB-2.
  • Delivered to UE-2, and likewise data from UE-2 may be delivered to UE-1 via eNodeB-2, S-GW / P-GW, eNodeB-1.
  • UE-1 and UE-2 are camped on different eNodeBs, but may be camped on the same eNodeB.
  • FIG. 2 shows that two UEs receive services from the same S-GW and P-GW, various combinations of services are possible. That is, it may receive services from the same S-GW and different P-GWs, may receive services from different S-GWs and the same P-GW, or may receive services from different GWs and different P-GWs. have.
  • such a basic data path may be referred to as an infrastructure data path (ie, an infrastructure path or an infrastructure data path or an infrastructure communication path).
  • an infrastructure data path ie, an infrastructure path or an infrastructure data path or an infrastructure communication path.
  • communication through such an infrastructure data path may be referred to as infrastructure communication.
  • FIG 3 is a diagram illustrating a direct mode data path between two UEs based on ProSe. This direct mode communication path does not go through the base station (ie eNodeB or Home eNodeB) and gateway nodes (ie EPC).
  • base station ie eNodeB or Home eNodeB
  • gateway nodes ie EPC
  • FIG. 3 (a) shows a case where UE-1 and UE-2 are each camping on different eNodeBs (ie, eNodeB-1 and eNodeB-2) while exchanging data through a direct mode communication path.
  • 3 (b) exemplarily illustrates a case where UE-1 and UE-2 camping on the same eNodeB (ie, eNodeB-1) exchange data through a direct mode communication path.
  • control plane path may be formed through the base station and the core network.
  • the control information exchanged through the control plane path may be information related to session management, authentication, authorization, security, charging, and the like.
  • the control information for UE-1 is passed through the eNodeB-1 to a control node (eg, MME / ),
  • control information for UE-2 may be exchanged with a control node (eg, MME) of the core network via eNodeB-2.
  • the control information for UE-1 and UE-2 is passed through the eNodeB-1 to the control node of the core network (eg , MME).
  • the core network eg , MME
  • FIG. 4 is a diagram illustrating a locally-routed data path between two UEs based on ProSe.
  • the ProSe communication data path between UE-1 and UE-2 is formed via eNodeB-1, but does not go through a gateway node (ie, EPC) operated by an operator.
  • EPC gateway node
  • the control plane path when the local routing scheme data path of the UEs served by the same eNodeB as shown in Figure 4, the control information for the UE-1 and UE-2 via the eNodeB-1 of the core network It may be exchanged with a control node (eg, MME).
  • MME control node
  • the communication path described with reference to FIGS. 3 and 4 may be referred to as a direct data path, a data path for ProSe, a ProSe-based data path, or a ProSe communication path.
  • communication through such a direct data path may be referred to as direct communication, ProSe communication, or ProSe based communication.
  • IMS IP Multimedia Subsystem
  • FIG. 5 is a diagram schematically illustrating a structure of an IMS-based wireless communication system.
  • the IMS-based wireless communication system may include various components, and in FIG. 5, corresponding to some of them, a terminal, an access and core network, a multimedia resource function (MRF), a P / I-CSCF, an S-CSCF, an AS , Home Subscriber Server (HSS).
  • MRF multimedia resource function
  • P / I-CSCF P / I-CSCF
  • S-CSCF S-CSCF
  • AS Home Subscriber Server
  • the terminal may communicate with IMS-related nodes and / or other terminals via an IP-based radio access network such as E-UTRAN and the core network.
  • a terminal with IP capability may have a unique ID (eg, an IMPU ID such as a SIP URI or Tel URI) and an IP address.
  • the MRF corresponds to a server that provides media related functions such as media conditioning (eg, voice stream mixing), and is composed of MRFC and MRFP.
  • the MRFC interprets the information from the AS and S-CSCF and serves to control the MRFP.
  • the MRFP performs the function of mixing, providing or processing media streams.
  • P-CSCF is a SIP proxy server that is a contact point for the IMS terminal.
  • the P-CSCF may perform a function of allocating resources for media flow and security of a message between the network and the terminal.
  • I-CSCF is a SIP server that becomes a point of contact from a peered network.
  • the I-CSCF may perform a function such as performing a query to the HSS to determine the S-CSCF for the UE.
  • the S-CSCF is a server that handles SIP registration and performs location determination, terminal authentication, call processing (eg, call routing), etc. of each terminal. For example, when the terminal wants to register in the IMS network, the registration message of the terminal including information such as media type, codec related information, and screen size supported by the terminal is transmitted to the S-CSCF via the P-CSCF. Can be.
  • the operation of the S-CSCF may be controlled according to the policy stored in the HSS.
  • SCC AS is a home network based IMS application server that provides the functions required for IMS centralized services and for service continuity of multimedia sessions.
  • the HSS may perform functions such as configuration storage, identity management, and user state storage.
  • the present invention proposes a mechanism for providing ProSe to an IMS UE.
  • the IMS-based ProSe provision mechanism proposed by the present invention can be extended to ProSe-enabled UEs without IMS functionality.
  • the principle of the IMS control message (eg, SIP message) proposed in the present invention can be equally applied to other types of control messages (eg, a control message defined for ProSe, or an HTTP message).
  • the scope of the present invention is not limited to the examples of IMS nodes and IMS servers participating in the IMS-based ProSe provision mechanism proposed by the present invention, and the present invention is provided by network nodes and network servers that provide similar functions. An operation proposed in may be performed.
  • ProSe-based communication can communicate through the direct data path between the UEs without the EPC. If a UE wishes to communicate with a counterpart UE via a data path directly, a mechanism for informing this to a network (eg, MME) is needed. That is, even if user data is transmitted and received through a direct data path between UEs without passing through a network, it is preferable to control / manage (for example, resource allocation, policy application, charging, etc.) for such ProSe communication on the network side. .
  • MME Mobility Management Entity
  • an existing NAS message may be modified or used, or a new NAS message may be defined and used.
  • the UE in idle mode is defined as sending a Service Request (or Extended Service Request) message to the MME in order to communicate. It is. Therefore, the UE may consider modifying and using the service request message to inform the ProSe related information to the MME.
  • the UE in the connected mode does not need to send a NAS message such as a service request message
  • the UE wants to inform the MME of ProSe related information it transmits a NAS message such as a service request message. The problem of doing so, namely, an increase in overhead of transmitting unnecessary messages may occur in the existing operation.
  • the present invention proposes a method for transmitting and receiving ProSe related information while minimizing additional message transmission of the UE.
  • a session setup is performed using a control message (eg, a SIP message) in order to transmit and receive user data with a counterpart UE, and an efficient method for providing ProSe to such an IMS UE is proposed. .
  • Methods 1 to 5 described below may be applied independently, or may be applied in the form of a combination of two or more.
  • This method 1 relates to an operation in which the IMS UE performs IMS registration by including capability information about ProSe.
  • the information on the ProSe capability of the UE includes the enable / disable state of one or more capabilities of the UE (or user, subscriber, etc.) necessary for performing ProSe and / or one or more capabilities necessary for performing ProSe.
  • the term "ProSe capability related information" of the UE is used below.
  • the capability for ProSe operation may be represented by one capability or may be represented by a set of a plurality of capabilities.
  • the capability can be activated or deactivated, information on the activation / deactivation state of the capability can be transmitted to the network.
  • the IMS UE may transmit ProSe capability related information to the IMS network by including a SIP REGISTER request message.
  • the ProSe capability related information may include a header field of the SIP REGISTER message, a body parameter of the header field, a tag field of the header field, a session description protocol (SDP) field, or XML ( Extensible Markup Language) may be included in the SIP message using one or more of the body fields.
  • the parameters of the SIP message may use (or reuse) existing definitions or may be defined as new parameters.
  • the ProSe related information may be included in the SIP message in one form of a media feature tag (for example, the name “g.3gpp.proximity”) in the Contact header field.
  • the ProSe capability related information may be transmitted to the IMS network at the time of IMS registration.
  • the ProSe capability related information transmitted by the IMS UE may be stored in the S-CSCF serving the IMS UE.
  • the ProSe capability related information may be stored in the HSS through the interaction between the S-CSCF and the HSS.
  • the S-CSCF may perform third party registration with the AS providing the ProSe based on the subscriber information and / or the ProSe capability related information of the IMS UE.
  • the AS providing ProSe (hereinafter referred to as ProSe AS) may store ProSe capability related information of the IMS UE.
  • the ProSe AS may provide ProSe to an IMS UE at the request of the IMS UE or at the discretion of the network by anchoring a session originating or terminating by the IMS UE.
  • the ProSe AS may be co-located with another existing AS (eg, SCC AS) or may be a separate AS.
  • ProSe capability related information may be set according to various granularities.
  • the ProSe capability related information may be defined and applied in various granularities.
  • the unit of ProSe capability related information may be set to a type of media / content, a bearer / connection type, an application type, a destination domain, a communication counterpart, and the like. Further, granular ProSe usage of the UE may be determined for each of the units, and ProSe usage of the UE may be determined for one or more combinations of the units.
  • the various units for the ProSe capability related information are merely exemplary, and the scope of the present invention is not limited to the examples. Hereinafter, examples of each unit will be described in more detail.
  • the ProSe capability related information may be set for each type of media or for each type of content (eg, voice, video, image, text, etc.).
  • the UE may maintain the ProSe capability related information only for media or content that is subject to ProSe use.
  • the meaning of the use of ProSe may mean a combination of one or more of the UE uses, intends to use, can use, or consider using. For example, assuming that ProSe is not considered for voice and ProSe is considered for video, it is not necessary to maintain the ProSe capability related information for video while maintaining ProSe capability related information for voice.
  • the type of media / content has been described as an example, the technical idea of maintaining the ProSe capability-related information only for an object of ProSe usage for each predetermined unit including examples described below may be equally applied.
  • the ProSe capability related information may be set for each bearer or connection type (eg, CS bearer, PS bearer, emergency bearer, LIPA or SIPTO connection, etc.).
  • the UE may maintain the ProSe capability related information only for bearers or connections that are subject to ProSe use. For example, assuming that ProSe is not considered for a Guaranteed Bit Rate (GBR) bearer and ProSe is considered for a non-GBR bearer, the GBR bearer is maintained while maintaining the ProSe capability related information for a non-GBR bearer. It is not necessary to maintain the ProSe capability related information.
  • GBR Guaranteed Bit Rate
  • the ProSe capability related information may be maintained only for the emergency bearer.
  • the ProSe capability related information may be maintained only for the SIPTO connection.
  • the ProSe capability related information may be set for each application type.
  • the UE may maintain the ProSe capability related information only for the application targeted for ProSe use. For example, assuming that ProSe is not considered for Application # 1 and ProSe is considered for Application # 2, the ProSe capability is maintained for Application # 2 while the ProSe capability is maintained for Application # 1. There is no need to maintain relevant information.
  • the ProSe capability related information may be set for each destination domain.
  • the UE may maintain the ProSe capability related information only for the destination domain to which ProSe is to be used. For example, assuming that ProSe is not considered for domain a and ProSe is considered for domain b, the ProSe capability related information is maintained for domain b while the ProSe capability related information is maintained for domain a. You do not have to do.
  • the ProSe capability related information may be set for each peer ID, a specific contact list or a specific group.
  • the UE may maintain the ProSe capability related information only for a communication counterpart (or list / group) to which ProSe is used. For example, assuming that ProSe is considered only for the communication counterpart belonging to a specific list / group, the ProSe capability related information is maintained for the communication counterpart belonging to the specific list / group while not belonging to the specific list / group. It is not necessary to maintain the ProSe capability related information for the communication counterpart that is not.
  • the ProSe capability state of the corresponding UE is “disabled”, not merely maintaining ProSe capability related information for a unit that does not consider using ProSe.
  • the ProSe capability related information is set on an application basis
  • the ProSe capability state of the UE is activated or deactivated for the application targeted for ProSe use while managing the ProSe capability related information for all applications.
  • activation or deactivation may be set by a user's selection or may be set by an instruction of a network.
  • the application that is not the target of ProSe use can be managed by setting the state of the ProSe capability of the UE is deactivated.
  • ProSe capability information information indicating the activation / deactivation state of the ProSe capability may be divided and set according to the various units (that is, whether or not the corresponding UE has the ProSe capability itself is determined. It is set regardless of unit, and enable / disable state of ProSe capability can be indicated by detailed units).
  • both the ProSe capability information and the activation / deactivation status indication information of the ProSe capability may be divided and set according to the various units (ie, the ProSe capability information and the activation / deactivation status indication information of the ProSe capability are 1-to-1. Mapped).
  • the ProSe capability information may be divided and set according to the various units, and the activation / deactivation status indication information of the ProSe capability may be set to one per UE (that is, all of the plurality of fragmented ProSe capabilities may be simultaneously activated or deactivated). Can be).
  • the ProSe capability related information may further include multi-hop communication related information.
  • the multi-hop communication related information may include information indicating whether the UE is capable of direct communication with other UEs in a multi-hop and information indicating an activation / deactivation state thereof.
  • the multi-hop communication related information whether the UE can participate in multi-hop communication, whether the UE can be an end node on the multi-hop path, the UE is multi-hop
  • the information may be subdivided into information representing one or more of whether or not it may serve as a relay node on a path.
  • the ProSe capability related information may further include 1-to-N communication related information.
  • the 1-to-N communication related information may include information indicating whether the corresponding UE can directly communicate with other UEs in 1-to-N and information indicating an activation / deactivation state thereof.
  • the 1-to-N communication-related information whether the UE can participate in 1-to-N communication, the role of 1 in the 1-to-N communication (ie master, broadcaster (whether it can act as a broadcaster, leader, or initiator, and whether the UE can play the role of N (i.e., one of the N UEs) in 1-to-N communication. It may be composed of subdivided into information representing one or more.
  • the IMS registration operation may include an operation of determining whether the S-CSCF and / or ProSe AS supports ProSe and notifying the IMS UE of the result.
  • This notification operation may be performed through a response message to the SIP REGISTER request message sent by the IMS UE for registration of the IMS, or may be performed through a separate message.
  • predetermined reference information In order to determine whether the S-CSCF and / or ProSe AS can support ProSe for the UE, predetermined reference information must be confirmed.
  • the predetermined reference information may include at least one of subscriber information of the UE, ProSe capability of the network, operator policy, user preference, roaming, or network congestion.
  • the subscriber information of the UE generally refers to information stored in the HSS, but may correspond to information previously set in the MME / SGSN, S-CSCF, or ProSe AS. Based on the information on whether to allow a subscription plan or a subscription service of the corresponding UE included in such subscriber information, the S-CSCF and / or ProSe AS analyzes whether the UE can receive ProSe. ) / Evaluation / determination. In the operation of determining the network, in addition to the ProSe capability related information, information about the ProSe capability of the network (for example, whether the network can provide ProSe) may be considered.
  • the subscriber information may reflect the policy of the operator. That is, the subscriber information may include information about the subscription of the service directly, as well as information evaluated or processed according to the intention of the operator. In the case of a roaming UE, information set according to a policy of an operator (for example, a home operator or a local operator) regarding ProSe availability for the UE in the form of direct or implied information is included in the subscriber information. May be included.
  • the operator's policy may be stored / updated separately from the subscriber information.
  • Information on the operator policy may be stored in the HSS, MME / SGSN, S-CSCF or ProSe AS.
  • the information on the operator policy may be used for analysis / evaluation / determination of whether the UE can receive ProSe in the S-CSCF and / or ProSe AS.
  • the operator policy may also be defined and applied in various units as described for ProSe related information of the UE.
  • the S-CSCF and / or ProSe AS may determine whether ProSe support is possible according to whether the network to which the IMS UE is attached is a home network or a visited network (ie, roaming). Depending on roaming, the policy of the operator or user's preferences to be applied may vary, and this is to determine whether ProSe support is appropriate for the situation.
  • the S-CSCF and / or ProSe AS may determine whether ProSe support is possible in consideration of a congestion situation of a network (eg, a RAN or a core network) to which the IMS UE is attached. For example, ProSe can be allowed if the network is congested, but ProSe is not allowed until otherwise, so the S-CSCF and / or ProSe AS may determine whether to allow ProSe to the IMS UE. have.
  • a network eg, a RAN or a core network
  • This method 2 relates to an operation for an IMS UE originating or updating a session to communicate via a direct data path.
  • the SIP INVITE request message may be transmitted by including information requesting to communicate with a counterpart UE directly in a data path for some or all of the media constituting the session.
  • the IMS UE updates a session includes information requesting to communicate with a counterpart UE directly in a data path with respect to some or all of the media to be updated to transmit a SIP re-INVITE request message or a SIP UPDATE message. Can be.
  • the IMS UE updates the session includes information requesting that the infrastructure data path communicate with the counterpart UE directly or with the other UE for some or all of the media to be updated, so that the SIP re-INVITE It may also mean sending a request message or a SIP UPDATE message. That is, the session update may be adding new media to an existing session, or to change the communication path of the media constituting the existing session (infrastructure data path directly to the data path or vice versa). Can be.
  • IMS UE may also proceed with session creation or update by including response information to communicate via a direct data path. For example, if a counterpart UE includes information requesting to communicate directly in a data path in a SIP 183 session progress message, the UE that receives it (i.e., the IMS UE originating or updating the session)
  • SIP PRACK provisional acknowledgment
  • a UE included in a SIP message may communicate with a counterpart UE through a direct data path.
  • the information requesting information which includes information requesting to change from the direct data path with the counterpart UE to the infrastructure data path, is hereinafter referred to as "ProSe communication request information" and responds to the communication through the direct data path.
  • the information which informs or informs which includes information responsive to changing from the direct data path with the counterpart UE to the infrastructure data path, is hereinafter referred to as "ProSe communication response information".
  • the above-mentioned "ProSe communication request information" and “ProSe communication response information” may configure ProSe communication related information for all media constituting the session, or ProSe communication related information only for some media constituting the session. It may be.
  • one or more of the following information may be used as a criterion for the IMS UE to include its ProSe communication request information in the session origination or session update request message.
  • Session Incoming or Session Update Request Receive IMS UE's ProSe capability related information may be used. That is, as proposed in the following scheme 3, a session incoming or session update request receiving IMS UE may transmit the SIP message including information on its ProSe capability, which is directly transmitted by the session originating or session update request IMS UE. Can be used as a criterion for requesting whether or not to communicate with the path.
  • ii) may use information about the proximity of itself with the UE receiving the session incoming or session update request. For example, if a session origination or session update request IMS UE knows that proximity service communication is possible with a counterpart UE (i.e., an IMS UE that has received a session incoming or session update request), a ProSe communication request requesting to communicate directly in the data path. Information can be included in the SIP request message. On the contrary, the IMS UE, which is in proximity service communication with the counterpart UE and recognizes that the proximity service communication is no longer available or sooner or later, may include ProSe communication request information in the SIP request message requesting communication in the infrastructure data path.
  • the ProSe communication request (or response) information includes a header field of a SIP message (eg, a SIP INVITE request message, a SIP re-INVITE request message, a SIP UPDATE request message, or a SIP PRACK message), and a body of the header field ( It may be included in the SIP message by using one or more of a body parameter, a tag field of the header field, or a Session Description Protocol (SDP) field.
  • SDP Session Description Protocol
  • the parameters of the SIP message may use (or reuse) existing definitions or may be defined as new parameters.
  • the IMS UE originating the session or updating the session may transmit its ProSe capability related information (see Method 1 above) together with or separately from the ProSe communication request (or response) information in the SIP message.
  • This method 3 relates to an operation for the IMS UE, which terminates a session or receives a session update request, to communicate through a direct data path.
  • An IMS UE that receives a session creation request message (eg, a SIP INVITE request message) including ProSe communication request information (see method 2 above) from a counterpart UE (i.e., an IMS UE originating a session) is itself (i.e., The UE receiving the session may also proceed with session creation by including information to communicate through a direct data path.
  • a session creation request message eg, a SIP INVITE request message
  • ProSe communication request information see method 2 above
  • the UE receiving the session may also proceed with session creation by including information to communicate through a direct data path.
  • an IMS UE receiving a session may include “ProSe communication response information” in a SIP 183 session progress message and transmit the same.
  • IMS that receives a session update request message (eg, a SIP re-INVITE request message or a SIP UPDATE request message) including ProSe communication request information (see method 2 above) from a counterpart UE (ie, an IMS UE updating a session).
  • the UE may proceed with the session update by including information that it (ie, the UE receiving the session update) will also communicate directly via the data path.
  • the IMS UE receiving the session update request may include “ProSe communication response information” in the SIP 200 OK message and transmit the same.
  • an IMS UE receiving a session may include the ProSe communication request information in a SIP 183 session progress message and transmit the same.
  • the IMS UE receives a session update request message (eg, a SIP re-INVITE request message or a SIP UPDATE request message) that does not include ProSe communication request information from the other UE, that is, it receives the session update request itself.
  • a session update request message eg, a SIP re-INVITE request message or a SIP UPDATE request message
  • the response message i.e., including ProSe communication request information for some or all of the media constituting the session
  • Response message to the session update request may include the ProSe communication request information in a SIP 200 OK message and transmit the same.
  • the session creation request message or session update request message sent from the session origination or session update request IMS UE does not include ProSe communication request information, but the session incoming or session update receiving IMS UE responds to its ProSe communication request information.
  • ProSe communication request information As a criterion for inclusion in the message, one or more of the following information may be used.
  • Session origination or session update request Information on the ProSe capability of the IMS UE may be used. That is, as proposed in the scheme 2, the session origination or session update request IMS UE may transmit the SIP INVITE request message including its ProSe capability related information, which is directly transmitted by the session incoming or session update receiving IMS UE. Can be used as a criterion for requesting whether or not to communicate with the path.
  • ii) may use information about the proximity of itself to a session origination or session update request UE. For example, if a incoming or session update receiving IMS UE knows that proximity service communication is possible with a counterpart UE (i.e., the IMS UE that sent the session origination or session update request), a ProSe communication request requesting to communicate directly in the data path. Information can be included in the SIP response message. On the contrary, the IMS UE, which is in proximity service communication with the counterpart UE and recognizes that the proximity service communication is no longer available or sooner or later, may include ProSe communication request information in the SIP response message requesting communication in the infrastructure data path.
  • the ProSe communication request information or the ProSe communication response information may include a header field of a SIP message (eg, a SIP 183 session progress message, etc.), a body parameter of the header field, and a tag of the header field (The tag may be included in the SIP message using one or more of the tag field or the Session Description Protocol (SDP) field.
  • the parameters of the SIP message may use (or reuse) existing definitions or may be defined as new parameters.
  • an IMS UE receiving a session or request for updating a session may transmit a SIP message by including its ProSe capability related information (see method 1 above) separately or together with the ProSe communication request (or response) information. have.
  • This method 4 relates to interworking between a ProSe and a presence service.
  • the presence service means a service using information (ie, presence information) indicating that the other party can communicate. That is, the presence information may be referred to as a status indicator indicating the potential communication partner's ability to perform communication and willingness.
  • An AS providing an existing service related function may provide ProSe related functions.
  • an AS providing a ProSe related function eg, a ProSe AS
  • an AS providing an existing service related function may interwork with an AS providing a ProSe related function directly (ie, not through another node) or indirectly (ie, through another node).
  • Presence / Proximity service AS P / P AS hereinafter.
  • the existence service subscription request message to the P / P AS (eg, SIP SUBSCRIBE message) P / P subscription related information can be included in the transmission.
  • the P / P subscription related information may include at least one of ProSe capability related information of the UE (see method 1) or information on a condition for notifying existence information of a target UE (group).
  • the condition for notifying the presence information of the target UE (group) may be set to notify, for example, when the presence information state of the target UE or the UE belonging to the target UE group is changed, or the target UE or The UE belonging to the target UE group may be set to notify when the UE (in the proximity range) enters the range (ie, the proximity range) where direct communication with the UE subscribed to the existing service is possible.
  • P / P fear related information of the UE may be added to a fear request message (eg, a SIP PUBLISH message) to the P / P AS.
  • the P / P fear related information may include ProSe capability related information of the UE (see method 1 above).
  • the change of the P / P fear related information may be a condition for the UE to transmit a fear request message.
  • the P / P AS when the P / P AS receives the existence service subscription request message (eg, SIP SUBSCRIBE message) from the UE, the response message (eg, SIP 200 OK message) is related to the P / P subscription response.
  • the P / P subscription response related information may include at least one of whether ProSe can be provided by a network or activation / deactivation related information of ProSe capability of the UE.
  • the P / P AS receives a fear request message (for example, a SIP PUBLISH message) of presence information from the UE, the P / P fear response is sent to a response message (for example, a SIP 200 OK message).
  • a fear request message for example, a SIP PUBLISH message
  • the P / P fear response is sent to a response message (for example, a SIP 200 OK message).
  • the relevant information can be included and transmitted. It may include one or more of ProSe availability of the network, or information on activation / deactivation of ProSe capability of the UE.
  • activation / deactivation information of the ProSe capability of the UE which may be included in the P / P subscription response related information and / or the P / P fear response related information, may be included in the UE (or a user or subscriber related to the UE).
  • Information related to the request / instruction to activate one or more deactivated ProSe capabilities may be included in the activation / deactivation related information of the ProSe capability of the UE.
  • the activation / deactivation related information of the ProSe capability of the UE may be information related to a request / instruction to deactivate one or more activated ProSe capabilities of the UE (or a user or subscriber related to the UE).
  • the P / P AS may include the P / P notification related information in a message (for example, a SIP NOTIFY message) that notifies the UE of the presence service of the presence information.
  • the P / P notification related information may include ProSe capability related information of a target UE or a UE belonging to a target UE group (if the ProSe capability is deactivated, the ProSe capability related information may not be included), or a target UE or It may include one or more of whether or not direct communication with the UE belonging to the target UE group.
  • the change of at least one of the information included in the P / P notification related information may be a condition that causes the P / P AS to transmit the existence information notification message.
  • the P / P AS acquires necessary information from another node (eg, HSS, MME / SGSN, base station, IMS node, etc.) and / or performs interoperation in order to perform the operation proposed in this scheme 4. Can be done.
  • another node eg, HSS, MME / SGSN, base station, IMS node, etc.
  • This method 5 relates to an operation of transmitting an IMS UE result of ProSe to a network.
  • the ProSe result-related information may be included in a SIP message transmitted to a network and transmitted.
  • the ProSe result information is stored, and when the IMS UE performs IMS re-registration or de-registration to the home network, it is included in the SIP REGISTER message and transmitted to the network. It may be.
  • the ProSe result related information may include information indicating success or failure of direct data path setup, information on the amount and / or time of data communicated through the direct data path, and billing related information (eg, Maintained time, etc.), the type of media (or content) that communicated via the direct data path, the number of counterpart UEs that communicated via the direct data path, and information about the direct data path's direction (eg, from UE-1 One-way to UE-2, one-way from UE-2 to UE-1, two-way between UE-1 and UE-2, broadcast from UE-1 to other UEs), and the type of access used for the direct data path.
  • Information eg, E-UTRAN, WLAN, etc.
  • the ProSe result related information may include a header field of the SIP message (eg, a SIP BYE message or a SIP CANCEL message or a SIP REGISTER message), a body parameter of the header field, and a tag of the header field.
  • a header field of the SIP message eg, a SIP BYE message or a SIP CANCEL message or a SIP REGISTER message
  • a body parameter of the header field e.g., a SIP BYE message or a SIP CANCEL message or a SIP REGISTER message
  • Field e.g, a Session Description Protocol (SDP) field, or an Extensible Markup Language (XML) body field
  • SDP Session Description Protocol
  • XML Extensible Markup Language
  • the parameters of the SIP message may use (or reuse) existing definitions or may be defined as new parameters.
  • the SIP message used in the above-described methods 1 to 5 is merely an example, and may use various existing SIP messages or newly defined SIP messages for the present invention.
  • Method 2 (the method of including ProSe communication request (or response) information in the SIP message transmitted by the session originating or session update request IMS UE) and method 3 (the SIP message transmitted by the session receiving or session update receiving IMS UE).
  • the method of including ProSe communication request (or response) information) may include the operation of the method 1 (including the ProSe capability related information in the IMS registration related SIP message transmitted by the IMS UE). Alternatively, or may be performed independently without the operation of the first method. For example, when Method 2 / Method 3 and Method 1 are performed independently, any one UE may not be informed at session creation / update between UEs, even if the IMS UE does not inform the network of ProSe capability related information at the time of IMS registration. ProSe may be provided by requesting to communicate via a direct data path between UEs.
  • the method 4 (operational operation between ProSe and the existing service, etc.) may be accompanied by the operation of the method 1 (including the ProSe capability related information in the IMS registration related SIP message transmitted by the IMS UE). Alternatively, or may be performed independently without the operation of the first method.
  • a session origination or session update request IMS UE (hereinafter referred to as UE-1) and / or a session incoming or session update reception IMS UE (hereinafter referred to as UE-2) is a direct data path. Even if you request to communicate with (or have a will), the network may reject it. On the one hand, even if UE-1 and UE-2 have not requested (or have no intention to) direct communication over the data path, the network may perform communication via direct data path between UE-1 and UE-2. You can also indicate. Conversely, it may be instructed to change the communication through the direct data path between UE-1 and UE-2 to the infrastructure data path.
  • the above indication may be included in a SIP message exchanged between UE-1 and UE-2, or a network node may generate a separate message and transmit the same to UE-1 and / or UE-2.
  • the network may be a network node such as S-CSCF or ProSe AS serving UE-1 or may be a network node such as S-CSCF or ProSe AS serving UE-2.
  • One or more of the following information may be used as a criterion for determining whether to allow / deny / instruct / infrastructure direct data path communication between UEs in a network node: a UE (or a user or subscriber related to the UE).
  • S-CSCF network node
  • ProSe AS Policy Charging and Rules Function
  • Authentication / authorization for whether UE-1 and UE-2 can perform ProSe based communication, and / or charging for ProSe based communication may be performed by one or more of the following network nodes.
  • network nodes serving UE-1 e.g., ProSe AS, S-CSCF and / or P-CSCF related to UE-1
  • network nodes serving UE-2 e.g., ProSe AS, S-CSCF and / or P-CSCF related to UE-1.
  • the network node that performs the authentication / authorization / charging may interact with other network nodes or may transmit the authentication / authorization / charging result to another network node.
  • ProSe AS serving UE-1 and ProSe AS serving UE-2 each perform ProSe based communication with UE-1 and UE-2.
  • Authentication / authority verification can be performed.
  • the P-CSCF and / or S-CSCF serving UE-1, and the P-CSCF and / or S-CSCF serving UE-2 may contain information necessary for charging (eg, UE-1 Process of creating session to charging network node (e.g., Charging Data Function (CDF), Online Charging System (OCS), etc.)) Can be sent from.
  • the information necessary for charging may be determined according to the CDR (Charging Data Record) related matters of the standard document 3GPP TS 32.225.
  • the P-CSCF and / or S-CSCF serving UE-1, and the P-CSCF and / or S-CSCF serving UE-2 are the billing network nodes (e.g., For example, CDF, OCS, etc.) can be sent a message requesting the termination of the charge.
  • an operation related to charging may operate in association with a session, such as session creation / update.
  • information necessary for charging related to ProSe may be transmitted whenever it is necessary to transmit to the charging network node (for example, if discovery is performed whether ProSe is possible between UEs in the network). Can be.
  • the RAN may be directed to direct path communication.
  • An operation for controlling a required radio resource may be performed. For example, when UE-1 transmits data via direct path to UE-2 using LTE spectrum, the network node may allow the eNodeB to perform scheduling for direct path communication between UEs.
  • the network node that has decided to use the ProSe-based communication may allow the eNodeB to control radio resources required for direct communication by sending a ProSe grant notification message to the RAN (ie, eNodeB) directly or via another network node.
  • a ProSe grant notification message to the RAN (ie, eNodeB) directly or via another network node.
  • An existing message may be modified and used as the ProSe permission notification message, or a newly defined message may be used.
  • the ProSe AS serving UE-1 may transmit a ProSe permission notification message to the eNodeB serving UE-1.
  • the ProSe permission notification message may be delivered from the ProSe to the eNodeB through various paths, for example, ProSe AS, PCRF, P-GW, S-GW, eNodeB sequence, or ProSe AS, S-CSCF, P It can be delivered via the path of -CSCF, PCRF, P-GW, S-GW, eNodeB.
  • the ProSe allow notification message may be transmitted to the eNodeB serving the UE-1.
  • the ProSe permission notification message may be delivered from the P-CSCF to the eNodeB through various paths, for example, P-CSCF, PCRF, P-GW, S-GW, and eNodeB.
  • IMS-based ProSe operation according to the present invention is not limited to 3GPP LTE / EPC networks, but may be applied to 3GPP access networks (eg, UTRAN / GERAN / E-UTRAN) and non-3GPP access networks (eg, It can be applied to the entire UMTS / EPS mobile communication system including WLAN.
  • 3GPP access networks eg, UTRAN / GERAN / E-UTRAN
  • non-3GPP access networks eg, It can be applied to the entire UMTS / EPS mobile communication system including WLAN.
  • the IMS-based ProSe operation according to the present invention may be applied to all other wireless mobile communication system environments in an environment to which network control is applied.
  • network nodes related to the operation of the present invention and messages / information transmitted / received should not be limitedly understood, and some IMS-based ProSe operation proposed by the present invention by using some network nodes and some messages / information thereof. This may be performed, or may additionally include interoperation with other network nodes (eg, P-CSCF, I-CSCF, HSS, etc.) not shown or mentioned.
  • network nodes eg, P-CSCF, I-CSCF, HSS, etc.
  • FIG. 6 is a diagram illustrating an IMS registration process for an IMS-based ProSe operation according to the present invention.
  • the UE-1 100 may transmit an IMS registration request message (eg, a SIP REGISTER message) to the S-CSCF-1 200 to register with its home network.
  • the registration request message may include ProSe capability related information (see method 1 above).
  • the S-CSCF-1 200 that receives the IMS registration request message from the UE-1 100 may store ProSe capability related information.
  • the S-CSCF-1 200 may transmit a registration confirmation response message (eg, a SIP 200 OK message) to the UE-1 100.
  • a registration confirmation response message eg, a SIP 200 OK message
  • the S-CSCF-1 200 requests a registration to request registration of the UE-1 100 to a ProSe AS-1 300 serving the UE-1 100. You can send a message. At this time, the S-CSCF-1 200 includes the ProSe capability related information included in the registration request message by the UE-1 100 in step 1 in the registration request message sent to the ProSe AS-1 520. You can.
  • the ProSe AS-1 300 that receives the IMS registration request message from the UE-1 100 may store ProSe capability related information. Thereafter, the ProSe AS-1 300 may transmit a registration confirmation response message to the S-CSCF-1 200.
  • the UE-1 100 may perform an IMS registration process as shown in FIG. 6 to notify the network when its ProSe capability related information has changed.
  • FIG. 7 is a diagram illustrating a registration process of ProSe capability related information for an IMS-based ProSe operation according to the present invention.
  • the UE-1 100 transmits information about its ProSe capability to the ProSe AS 300 by using an interface with the ProSe AS-1 300 (eg, a Ut interface) (or Registration / update).
  • an interface with the ProSe AS-1 300 eg, a Ut interface
  • the ProSe AS-1 300 may transmit a registration response message (eg, an ACK message) to the UE-1 100.
  • a registration response message eg, an ACK message
  • HTTP Hypertext Transfer Protocol
  • SIP Session Initiation Protocol
  • FIG. 8 is a diagram illustrating an example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • the UE-1 100 may send a session setup request message (eg, a SIP INVITE message) to the S-CSCF-1 200 to create a session with the UE-2 600.
  • a session setup request message eg, a SIP INVITE message
  • the session setup request message includes information for requesting the UE-1 100 to communicate with the UE-2 600 via a direct data path (that is, ProSe communication request information described in Method 2). Can be.
  • step 2 of FIG. 8 the S-CSCF-1 200 serving the UE-1 100 sends a received session setup request message to the ProSe AS-1 300 serving the UE-1 100. Can transmit
  • the S-CSCF-2 serving the S-CSCF-1 200 and the UE-2 600 from the ProSe AS-1 300 to the UE-2 600 (
  • the session setup request message may be delivered through the 400 and the ProSe AS-2 500.
  • the UE-2 600 may transmit a session setup response message for the received session setup request message to the UE-1 100.
  • the session setup response message may be a response message (eg, a SIP 183 session progress message) for an SDP offer included in the session setup request message.
  • the SDP offer response message may include information (that is, ProSe communication response information described in the scheme 3) indicating that the UE-2 600 communicates with the UE-1 100 through a direct data path. have.
  • the SDP offer response message may be delivered through 300.
  • the UE-1 100 sends a confirmation message (eg, a SIP PRACK message) for the SDP offer response to the UE-2 600 via other network nodes.
  • a confirmation message eg, a SIP PRACK message
  • the UE-2 600 may send a session setup accept message (eg, a SIP 200 OK message) to the UE-1 100 via other network nodes.
  • a session setup accept message eg, a SIP 200 OK message
  • direct communication with respect to some or all of the media constituting the IMS session generated as described above may be performed by using a direct data path between the UE-1 100 and the UE-2 600. That is, in the example of FIG. 8, communication may be performed through the direct data path for all media constituting the IMS session, or communication may be performed through the direct data path only for some media constituting the IMS session. If communication is performed through the direct data path only for some media forming the IMS session, communication is performed through the infrastructure data path for the remaining media.
  • the network from the UE-1 100 and / or the UE-2 600 is In the SIP message transmitted to the ProSe result related information (see method 5 above) may be included.
  • the UE-1 100 does not include ProSe communication request information in the session setup request message of step 1, but instead in the confirmation message for the SDP offer response message of step 15.
  • the ProSe communication request information may be included.
  • the UE-2 600 may not include the ProSe communication response information in the SDP offer response message of step 8, but may include it in the session setup acceptance message of step 22.
  • the UE-1 100 discovers the UE-2 600 before the IMS session creation process in this embodiment is performed, so that it may be understood that direct communication with each other is possible.
  • the UE-2 600 receives the session setup request message (or the message including the SDP offer) of step 7, the UE-2 600 performs the operation of searching for the UE-1 100. You may.
  • the ProSe communication response information included in the response message for the SDP offer may be configured based on the search result.
  • network nodes e.g., S-CSCF-1 200, S-CSCF-2 400, ProSe AS-1 300, ProSe AS-2 500, and / or other IMS nodes or A non-IMS node, etc.
  • This network side discovery operation may be performed without a request of the UE-1 100 or the UE-2 600 in the network.
  • the network side explicitly or implicitly confirms (or discovers) whether ProSe communication is possible. (implicitly) may include information requesting (or indicating).
  • the subject of the discovery operation may obtain a discovery result through interaction with the UE and / or other network nodes.
  • FIG 9 illustrates another example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • the UE-1 100 may send a session setup request message (eg, a SIP INVITE message) to the S-CSCF-1 200 to create a session with the UE-2 600.
  • a session setup request message eg, a SIP INVITE message
  • step 2 of FIG. 9 the S-CSCF-1 200 serving the UE-1 100 sends a received session setup request message to the ProSe AS-1 300 serving the UE-1 100. Can transmit
  • S-CSCF-2 serving S-CSCF-1 200 and UE-2 600 from ProSe AS-1 300 to UE-2 600 (
  • the session setup request message may be delivered through the 400 and the ProSe AS-2 500.
  • the UE-2 600 may transmit a session setup response message for the received session setup request message to the UE-1 100.
  • the session setup response message may be a response message (eg, a SIP 183 session progress message) for an SDP offer included in the session setup request message.
  • the SDP offer response message includes information for requesting the UE-2 600 to communicate with the UE-1 100 via a direct data path (that is, ProSe communication request information described in Method 3 above). Can be.
  • the ProSe AS-2 500, the S-CSCF-1 200, and the ProSe AS-1 may be delivered through 300.
  • the UE-1 100 may transmit a confirmation message (eg, a SIP PRACK message) for the SDP offer response.
  • a confirmation message eg, a SIP PRACK message
  • the confirmation message for the SDP offer response information indicating that the UE-1 (100) communicates with the UE-2 (600) via a direct path (that is, ProSe communication response information described in the method 2) is May be included.
  • the S-CSCF-1 200 may transmit a confirmation message for the SDP offer response to the UE-2 600 via other network nodes.
  • the UE-2 600 may send a session setup accept message (eg, a SIP 200 OK message) to the UE-1 100 via other network nodes.
  • a session setup accept message eg, a SIP 200 OK message
  • direct communication with respect to some or all of the media constituting the IMS session generated as described above may be performed by using a direct data path between the UE-1 100 and the UE-2 600.
  • the network from the UE-1 100 and / or the UE-2 600 is In the SIP message transmitted to the ProSe result related information (see method 5 above) may be included.
  • FIG. 10 illustrates another example of an IMS session creation process for an IMS-based ProSe operation according to the present invention.
  • FIGS. 8 and 9 an operation in which the UE includes ProSe communication request information in a SIP message and transmits it has been described.
  • a network node requests ProSe communication in a SIP message. It is about the operation of including and passing information.
  • the UE-1 100 may transmit a session setup request message (eg, a SIP INVITE message) to the S-CSCF-1 200 to create a session with the UE-2 600.
  • a session setup request message eg, a SIP INVITE message
  • step 2 of FIG. 10 the S-CSCF-1 200 serving the UE-1 100 sends a received session setup request message to the ProSe AS-1 300 serving the UE-1 100. Can transmit
  • the ProSe AS-1 300 transmits a data path directly between the UE-1 100 and the UE-2 600 in the session setup request message to be delivered to the S-CSCF-1 200.
  • Information to request communication through ie, ProSe communication request information may be included.
  • S-CSCF-2 serving S-CSCF-1 200 and UE-2 600 from S-CSCF-1 200 to UE-2 600.
  • the session setup request message may be delivered through the 400 and the ProSe AS-2 500.
  • the UE-2 600 may transmit a session setup response message for the received session setup request message to the UE-1 100.
  • the session setup response message may be a response message (eg, a SIP 183 session progress message) for an SDP offer included in the session setup request message.
  • the SDP offer response message may include information (that is, ProSe communication response information described in the scheme 3) indicating that the UE-2 600 communicates with the UE-1 100 through a direct data path. have.
  • the SDP from the S-CSCF-2 400 to the ProSe AS-1 300 through the ProSe AS-2 500 and the S-CSCF-1 200, and the SDP. Offer response message may be delivered.
  • the ProSe AS-1 300 may check ProSe communication response information of the UE-2 600 included in the SDP offer response message. Accordingly, the ProSe AS-1 300 sends an SDP offer response message including information instructing the UE-1 100 to perform direct communication with the UE-2 600, information required for direct communication, and the like.
  • the S-CSCF-1 200 may be transmitted to the UE-1 100.
  • the UE-1 100 sends a confirmation message (eg, a SIP PRACK message) for the SDP offer response to the UE-2 600 via other network nodes.
  • a confirmation message eg, a SIP PRACK message
  • the UE-2 600 may send a session setup accept message (eg, a SIP 200 OK message) to the UE-1 100 via other network nodes.
  • a session setup accept message eg, a SIP 200 OK message
  • direct communication with respect to some or all of the media constituting the IMS session generated as described above may be performed by using a direct data path between the UE-1 100 and the UE-2 600.
  • the network node serving the UE-2 600 in step 10 may include the ProSe communication request information in a SIP message (eg, an SDP offer response message) transmitted toward the UE-1 100 and transmit the same.
  • the UE-1 100 may include ProSe communication response information in the SDP offer response confirmation message of step 15 and transmit it.
  • the network from the UE-1 100 and / or the UE-2 600 is In the SIP message transmitted to the ProSe result related information (see method 5 above) may be included.
  • FIG. 11 is a diagram illustrating an IMS session update process for an IMS-based ProSe operation according to the present invention.
  • step 1 of FIG. 11 an IMS session communicating with the infrastructure data path between the UE-1 100 and the UE-2 600 is created.
  • the media constituting the existing IMS session is Media-A
  • the UE-1 100 wants to add Media-B to the existing IMS session.
  • the existing Media-A wants to communicate through the direct data path between the UE-1 100 and the UE-2 600 while maintaining the communication through the infrastructure data path. do.
  • the UE-1 100 sends a session update request message (eg, a SIP re-INVITE message) to S-CSCF-1 (eg, to update a session with the UE-2 600).
  • a session update request message eg, a SIP re-INVITE message
  • S-CSCF-1 eg, to update a session with the UE-2 600.
  • the session update request message may include information (that is, ProSe communication request information) requesting Media-B to communicate with the UE-2 600 via a direct data path.
  • step 2 of FIG. 11 the S-CSCF-1 200 serving the UE-1 100 sends a received session update request message to the ProSe AS-1 300 serving the UE-1 100. Can transmit
  • S-CSCF-2 serving S-CSCF-1 200 and UE-2 600 from ProSe AS-1 300 to UE-2 600 (
  • the session update request message may be delivered through the 400 and the ProSe AS-2 500.
  • the UE-2 600 may transmit a session update response message for the received session update request message to the UE-1 100.
  • the session update response message may be a response message (eg, a SIP 183 session progress message) to an SDP offer included in the session update request message.
  • the SDP offer response message may include information (ie, ProSe communication response information) indicating that the UE-2 600 communicates with the UE-1 100 through a direct data path with respect to Media-B. have.
  • the ProSe AS-2 500, the S-CSCF-1 200, and the ProSe AS-1 may be delivered through 300.
  • the UE-1 100 sends a confirmation message (eg, a SIP PRACK message) for the SDP offer response to the UE-2 600 via other network nodes.
  • a confirmation message eg, a SIP PRACK message
  • the UE-2 600 may send a session update accept message (eg, a SIP 200 OK message) to the UE-1 100 via other network nodes.
  • a session update accept message eg, a SIP 200 OK message
  • Media-B in the media constituting the IMS session may communicate using a direct data path between the UE-1 100 and the UE-2 600.
  • a session update operation may be performed to change the data path of some or all of the media constituting an existing session from the infrastructure data path to the data path directly (or vice versa).
  • FIG. 11 illustrates that the UE performs a session update operation
  • a network node for example, ProSe AS-1, ProSe AS-2, etc.
  • a session update operation may be performed to change from the infrastructure data path directly to the data path (or vice versa).
  • the network node may initiate the session update operation using ProSe capability related information, proximity information, etc. of UEs conducting the session.
  • the network from the UE-1 100 and / or the UE-2 600 is In the SIP message transmitted to the ProSe result related information (see method 5 above) may be included.
  • FIG. 12 is a diagram illustrating a ProSe and existence service interworking operation according to the present invention.
  • the UE-1 100 may transmit a fear request message (eg, a SIP PUBLISH message) for proclaiming its existence information.
  • a fear request message eg, a SIP PUBLISH message
  • the fear request message may include P / P fear related information (see method 4 above).
  • the S-CSCF-1 200 may deliver the received fear request message to the P / P AS-1 300.
  • the P / P AS-1 300 may transmit a response message (eg, a SIP 200 OK message) to the received fear request message.
  • a response message eg, a SIP 200 OK message
  • the response message to the fear request message may include P / P fear response related information (see method 4).
  • the S-CSCF-1 200 may deliver the response message to the UE-1 100.
  • the UE-2 600 may transmit a subscription request message (eg, a SIP SUBSCRIBE message) for subscribing to the presence information notification service for the UE-1 100.
  • the subscription request message may include P / P subscription related information (see method 4 above).
  • the S-CSCF-2 500 may transmit the subscription request message to the I-CSCF-1 400 of the home network of the UE-1 100 that is the subscription target of the subscription request message. .
  • the I-CSCF-1 400 may interact with the HSS to identify the S-CSCF serving the UE-1 100.
  • the I-CSCF-1 400 may transmit the subscription request message to the S-CSCF-1 200 serving the UE-1 100.
  • the S-CSCF-1 200 may transmit the subscription request message to the P / P AS-1 300.
  • the P / P AS-1 300 may transmit a response message (eg, a SIP 200 OK message) to the received subscription request message.
  • a response message eg, a SIP 200 OK message
  • the response message to the subscription request message may include P / P subscription response related information (see method 4 above).
  • a response message to the subscription request message may be delivered from the S-CSCF-1 200 to the UE-2 600 via other network nodes.
  • the P / P AS-1 300 transmits a response message to the received subscription request message, and then includes a notification message (for example, present information of the UE-1 100).
  • a notification message for example, present information of the UE-1 100.
  • a SIP NOTIFY message may be transmitted to the UE-2 600.
  • the notification message may include P / P notification related information (see method 4 above).
  • the notification message may be delivered to the UE-2 600 by the S-CSCF-2 500.
  • the UE-2 600 may transmit a response message (eg, a SIP 200 OK message) to the notification message.
  • a response message eg, a SIP 200 OK message
  • the UE-2 600 If the UE-2 600 recognizes that direct communication with the UE-1 100 is possible through the notification message received in step 15, the UE-2 600 performs a procedure for initiating direct communication with the UE-1 100. You may.
  • FIG. 13 is a diagram showing the configuration of a preferred embodiment of a terminal device and a network node device according to an example of the present invention.
  • the terminal device 100 may include a transmission / reception module 110, a processor 120, and a memory 130.
  • the transmission / reception module 110 may be configured to transmit various signals, data, and information to an external device, and receive various signals, data, and information to an external device.
  • the terminal device 100 may be connected to an external device by wire and / or wirelessly.
  • the processor 120 may control the overall operation of the terminal device 100, and may be configured to perform a function of the terminal device 100 to process and process information to be transmitted and received with an external device.
  • the processor 120 may be configured to perform a terminal operation proposed in the present invention.
  • the memory 130 may store the processed information for a predetermined time and may be replaced with a component such as a buffer (not shown).
  • the network node apparatus 200 may include a transmission / reception module 210, a processor 220, and a memory 230.
  • the transmission / reception module 210 may be configured to transmit various signals, data, and information to an external device, and receive various signals, data, and information to an external device.
  • the network node device 200 may be connected to an external device by wire and / or wirelessly.
  • the processor 220 may control the overall operation of the network node device 200, and may be configured to perform a function of calculating and processing information to be transmitted / received with an external device.
  • the processor 220 may be configured to perform the network node operation proposed in the present invention.
  • the memory 230 may store the processed information for a predetermined time and may be replaced with a component such as a buffer (not shown).
  • the specific configuration of the terminal device 100 and the network device 200 as described above may be implemented so that the above-described matters described in various embodiments of the present invention can be applied independently or two or more embodiments are applied at the same time, overlapping The description is omitted for clarity.
  • Embodiments of the present invention described above may be implemented through various means.
  • embodiments of the present invention may be implemented by hardware, firmware, software, or a combination thereof.
  • a method according to embodiments of the present invention may include one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), and Programmable Logic Devices (PLDs). It may be implemented by field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, and the like.
  • ASICs Application Specific Integrated Circuits
  • DSPs Digital Signal Processors
  • DSPDs Digital Signal Processing Devices
  • PLDs Programmable Logic Devices
  • FPGAs field programmable gate arrays
  • processors controllers, microcontrollers, microprocessors, and the like.
  • the method according to the embodiments of the present invention may be implemented in the form of a module, a procedure, or a function that performs the functions or operations described above.
  • the software code may be stored in a memory unit and driven by a processor.
  • the memory unit may be located inside or outside the processor, and may exchange data with the processor by various known means.
  • Embodiments of the present invention as described above may be applied to various mobile communication systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un système de communication sans fil et, plus particulièrement, un procédé et un appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil. Selon un mode de réalisation de la présente invention, un procédé visant à autoriser un premier terminal d'un sous-système multimédia de protocole Internet (IMS) à mettre en œuvre un service de proximité (ProSe) dans un système de communication sans fil peut comprendre les étapes consistant à : permettre au premier terminal IMS de transmettre un premier message de protocole d'ouverture de session (SIP) contenant des informations de demande de communication en ProSe à un second terminal IMS par le biais d'un nœud de réseau ; et recevoir un second message SIP contenant des informations de réponse à la demande de communication en ProSe en provenance du second terminal IMS par le biais du nœud de réseau.
PCT/KR2013/001109 2012-02-16 2013-02-13 Procédé et appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil WO2013122374A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/376,820 US9706340B2 (en) 2012-02-16 2013-02-13 Method and apparatus performing proximity service in wireless communication system
KR1020147021124A KR20140128972A (ko) 2012-02-16 2013-02-13 무선 통신 시스템에서 근접 서비스를 수행하는 방법 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261599896P 2012-02-16 2012-02-16
US61/599,896 2012-02-16
US201361748727P 2013-01-03 2013-01-03
US61/748,727 2013-01-03

Publications (1)

Publication Number Publication Date
WO2013122374A1 true WO2013122374A1 (fr) 2013-08-22

Family

ID=48984447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/001109 WO2013122374A1 (fr) 2012-02-16 2013-02-13 Procédé et appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil

Country Status (3)

Country Link
US (1) US9706340B2 (fr)
KR (1) KR20140128972A (fr)
WO (1) WO2013122374A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015053602A1 (fr) * 2013-10-11 2015-04-16 삼성전자 주식회사 Procédé et système pour prendre en charge des informations associées à la sécurité pour un service basé sur la proximité dans un environnement de système de communication mobile
KR20150042686A (ko) * 2013-10-11 2015-04-21 삼성전자주식회사 이동 통신 시스템 환경에서 프록시미티 기반 서비스를 위한 보안 및 정보 지원 방법 및 시스템
WO2015065079A1 (fr) * 2013-10-31 2015-05-07 Samsung Electronics Co., Ltd. Procédé et système de facturation d'enregistrement d'informations dans une communication dispositif à dispositif (d2d)
WO2015105402A1 (fr) * 2014-01-13 2015-07-16 삼성전자 주식회사 Procédé et système de prise en charge de sécurité pour découverte de service et communication de groupe dans un système de communication mobile
KR20150086757A (ko) * 2014-01-20 2015-07-29 삼성전자주식회사 Ims을 지원하는 통신 방법 및 장치
CN104980912A (zh) * 2014-04-11 2015-10-14 中兴通讯股份有限公司 ProSe临时标识的通知与更新方法和装置
EP3018970A1 (fr) * 2014-11-07 2016-05-11 HTC Corporation Dispositif et procédé de gestion de service de proximité
CN105612774A (zh) * 2014-03-06 2016-05-25 华为技术有限公司 近距离业务的控制方法、装置及系统
WO2016190721A1 (fr) * 2015-05-28 2016-12-01 엘지전자 주식회사 Procédé et appareil permettant de fournir un service de mandataire par l'intermédiaire d'un serveur mandataire nan dans un système de communications sans fil
WO2016209314A1 (fr) * 2015-06-25 2016-12-29 Intel Corporation Découverte et établissement de groupes de communications pour des communications de véhicule sans fil
WO2017057954A1 (fr) * 2015-09-30 2017-04-06 엘지전자 주식회사 Procédé d'émission/réception d'appel dans un système de communication sans fil et dispositif associé
WO2015147609A3 (fr) * 2014-03-28 2017-04-20 삼성전자 주식회사 Procédé et appareil destinés à une attribution de ressources dans un système de communication
CN107005598A (zh) * 2014-12-17 2017-08-01 阿尔卡特朗讯公司 经由呈现信息的邻近服务（prose）的公共安全ue 通信框架
CN107637105A (zh) * 2015-04-06 2018-01-26 交互数字专利控股公司 针对邻近服务(ProSe)直接发现的方法、装置和系统
RU2662406C2 (ru) * 2014-03-19 2018-07-25 Квэлкомм Инкорпорейтед Предотвращение атаки повторного воспроизведения при обнаружении связи устройство-устройство долгосрочного развития

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9609513B2 (en) 2009-03-03 2017-03-28 Mobilitie, Llc System and method for device authentication in a dynamic network using wireless communication devices
US9179296B2 (en) * 2009-03-03 2015-11-03 Mobilitie, Llc System and method for device authentication in a dynamic network using wireless communication devices
WO2013089452A1 (fr) * 2011-12-13 2013-06-20 엘지전자 주식회사 Procédé et dispositif pour fournir un service de proximité dans un système de communication sans fil
US9648653B2 (en) * 2011-12-20 2017-05-09 Lg Electronics Inc. User equipment-initiated control method and apparatus for providing proximity service
WO2013113181A1 (fr) * 2012-01-31 2013-08-08 Telefonaktiebolaget L M Ericsson (Publ) Sélection de serveur dans un réseau de communication relativement à un usager mobile
EP2842369A1 (fr) * 2012-04-27 2015-03-04 Nokia Corporation Procédé et appareil de routage de flux de paquets via deux radios de transport
WO2014051479A1 (fr) * 2012-09-28 2014-04-03 Telefonaktiebolaget L M Ericsson (Publ) Communication à courte portée dans un système de communications sans fil
US20140134974A1 (en) * 2012-11-12 2014-05-15 Innovative Sonic Corporation Method and apparatus for reporting charging information of direct device to device communication in a wireless communication system
US9479342B2 (en) * 2013-03-14 2016-10-25 Htc Corporation Charging method and apparatus for proximity-based service
US20140301270A1 (en) * 2013-04-05 2014-10-09 Kerstin Johnsson Identifiers for proximity services
US20140321271A1 (en) * 2013-04-24 2014-10-30 Telefonaktiebolaget L M Ericsson (Publ) Signal reduction based on radio load
US8825814B1 (en) * 2013-05-23 2014-09-02 Vonage Network Llc Method and apparatus for minimizing application delay by pushing application notifications
JP6838789B2 (ja) * 2013-06-28 2021-03-03 日本電気株式会社 Ｕｅ及びその通信方法
KR20160013151A (ko) * 2013-06-28 2016-02-03 닛본 덴끼 가부시끼가이샤 보안 시스템 및 보안 통신을 행하는 방법
US9602959B2 (en) * 2013-07-03 2017-03-21 Avago Technologies General Ip (Singapore) Pte. Ltd. Communication system having relay architecture
US11765208B2 (en) * 2014-01-13 2023-09-19 Comcast Cable Communications, Llc Systems and methods for dynamic connection management
US10051677B2 (en) * 2014-01-24 2018-08-14 Telefonaktiebolaget Lm Ericsson (Publ) Providing, obtaining, and using D2D-related capability of a network node
US10652725B2 (en) 2014-01-24 2020-05-12 Telefonaktiebolaget Lm Ericsson (Publ) Obtaining and using D2D related information to perform mobility operation(s)
EP3101968A4 (fr) * 2014-01-31 2017-10-04 KYOCERA Corporation Système de communication mobile et terminal d'utilisateur
EP3146691B1 (fr) * 2014-05-23 2018-05-09 Telefonaktiebolaget LM Ericsson (publ) Maintien de routage multimédia optimal
US9467835B2 (en) * 2014-05-29 2016-10-11 Motorola Solutions, Inc. Public safety network relay service management
US9973542B2 (en) * 2014-06-26 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus for facilitating establishing and maintaining communication services
US20150382244A1 (en) 2014-06-27 2015-12-31 T-Mobile Usa, Inc. Upsell Framework for Network Services
DE102014221956A1 (de) * 2014-10-28 2016-05-12 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung, Fahrzeug, Verfahren und Computerprogramm für einen Relay-Sendeempfänger und eine Netzwerkkomponente
US11700652B2 (en) * 2014-12-19 2023-07-11 Nokia Solutions And Networks Oy Proximity services device-to-device communication services control
US10057942B2 (en) * 2015-03-20 2018-08-21 Qualcomm Incorporated Data transfer using non-radio frequency (RF) and RF signals
EP3249875B1 (fr) * 2015-03-30 2021-02-17 Huawei Technologies Co., Ltd. Procédé de communication sans fil, équipement utilisateur distant et équipement utilisateur relais
EP3282721B1 (fr) * 2015-04-07 2021-06-23 Sharp Kabushiki Kaisha Dispositif de terminal, pgw et twag
KR20160123652A (ko) * 2015-04-16 2016-10-26 삼성전자주식회사 전자 장치 및 전자 장치의 통신 운영 방법
KR102271290B1 (ko) * 2015-04-24 2021-06-30 삼성전자 주식회사 단말 간 통신 시 과금 정보 생성 및 획득 방법
US10587656B2 (en) 2015-08-09 2020-03-10 Lg Electronics Inc. Method for selecting P-CSCF and transmitting SIP message in wireless communication system and device for same
CN107925956B (zh) 2015-08-21 2021-06-08 三星电子株式会社 用于蜂窝设备中的空闲模式的卸载操作的方法和装置
JP6503988B2 (ja) * 2015-09-02 2019-04-24 富士通株式会社 セッション制御方法およびセッション制御プログラム
US10341833B2 (en) 2015-11-10 2019-07-02 At&T Mobility Ii Llc Automatic proximity discovery area technique
WO2017090979A1 (fr) * 2015-11-23 2017-06-01 엘지전자 주식회사 Procédé pour échanger une trame pour un service de mandataire dans un système de réseau local (lan) sans fil, et terminal utilisant ce dernier
US10582443B2 (en) * 2016-03-25 2020-03-03 Comcast Cable Communications, Llc Vehicle wireless device discovery
US10965479B2 (en) 2016-04-02 2021-03-30 Comcast Cable Communications, Llc Bearer modification for V2X communications
WO2018031473A1 (fr) 2016-08-07 2018-02-15 Ofinno Technologies, Llc Validation d'autorisation dans un dispositif sans fil, et réseau sans fil
US10687319B2 (en) 2016-08-08 2020-06-16 Comcast Cable Communications, Llc Group power control for a secondary cell
US11165833B2 (en) * 2016-11-02 2021-11-02 T-Mobile Usa, Inc. Network routing based on terminal's media path
US10959218B2 (en) 2016-11-14 2021-03-23 Comcast Cable Communications, Llc Semi-persistent scheduling confirmation
US10368224B2 (en) * 2016-12-15 2019-07-30 At&T Intellectual Property I, L.P. Multimedia for wireless emergency alerts
WO2018235025A1 (fr) * 2017-06-22 2018-12-27 Reliance Jio Infocomm Limited Système et procédé d'évaluation d'interrogation inversée
US10736070B2 (en) * 2017-07-26 2020-08-04 Blackberry Limited Method and system for use of a relay user equipment in an internet protocol multimedia subsystem
US10498775B2 (en) * 2017-08-31 2019-12-03 T-Mobile Usa, Inc. Exchanging non-text content in real time text messages
EP3747173B1 (fr) * 2018-02-02 2024-04-03 Telefonaktiebolaget LM Ericsson (publ) Découverte de p-cscf sur la base d'un service
US20210400489A1 (en) * 2018-09-27 2021-12-23 Convida Wireless, Llc 3gpp private lans
CN111263329B (zh) * 2018-11-30 2021-06-22 华为技术有限公司 车联网通信方法、分发模块、中心服务器以及区域服务器
US11632665B2 (en) * 2019-11-06 2023-04-18 Qualcomm Incorporated Proximity services session authorization and provisioning support over a 5G system
US11297544B2 (en) 2020-07-28 2022-04-05 T-Mobile Usa, Inc. Domain request
US20220386394A1 (en) * 2021-05-27 2022-12-01 At&T Intellectual Property I, L.P. Methods, systems, and devices for providing a device-to-device communication link between communication devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090053624A (ko) * 2007-11-23 2009-05-27 주식회사 케이티프리텔 Ｉｍｓ 망을 통해 멀티미디어 메시지를 전송하는 방법 및이를 위한 단말기
US20100009675A1 (en) * 2008-07-14 2010-01-14 Nokia Corporation Setup of device-to-device connection
JP4763037B2 (ja) * 2008-12-15 2011-08-31 株式会社エヌ・ティ・ティ・ドコモ 通信装置、通信システム、及び通信方法
KR20110113630A (ko) * 2009-02-11 2011-10-17 알까뗄 루슨트 하나의 ｐｕｉｄ를 공유하는 다수의 ｕｅ를 구별하는 방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100910801B1 (ko) * 2005-05-02 2009-08-04 엘지전자 주식회사 Ｓｉｐ 기반의 세션 셋업 방법 및 장치
KR100925733B1 (ko) * 2006-04-21 2009-11-11 엘지전자 주식회사 무선통신 시스템의 정보 전달방법 및 이를 지원하는무선통신 단말기
US20070286100A1 (en) * 2006-06-09 2007-12-13 Mika Juhani Saaranen Local discovery of mobile network services
US20110196925A1 (en) * 2010-02-11 2011-08-11 Martin Hans Methods and apparatus for providing presence service for contact management representation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090053624A (ko) * 2007-11-23 2009-05-27 주식회사 케이티프리텔 Ｉｍｓ 망을 통해 멀티미디어 메시지를 전송하는 방법 및이를 위한 단말기
US20100009675A1 (en) * 2008-07-14 2010-01-14 Nokia Corporation Setup of device-to-device connection
JP4763037B2 (ja) * 2008-12-15 2011-08-31 株式会社エヌ・ティ・ティ・ドコモ 通信装置、通信システム、及び通信方法
KR20110113630A (ko) * 2009-02-11 2011-10-17 알까뗄 루슨트 하나의 ｐｕｉｄ를 공유하는 다수의 ｕｅ를 구별하는 방법 및 장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"3GPP; Technical Specification Group Services and System Aspects; IP Multimedia Subsystem(IMS); Stage 2 (Release 7)", 3GPP TS 23.228 V7.7.0, March 2007 (2007-03-01) *

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102209289B1 (ko) 2013-10-11 2021-01-29 삼성전자 주식회사 이동 통신 시스템 환경에서 프록시미티 기반 서비스를 위한 보안 및 정보 지원 방법 및 시스템
KR20150042686A (ko) * 2013-10-11 2015-04-21 삼성전자주식회사 이동 통신 시스템 환경에서 프록시미티 기반 서비스를 위한 보안 및 정보 지원 방법 및 시스템
US10560843B2 (en) 2013-10-11 2020-02-11 Samsung Electronics Co., Ltd. Method and system for supporting security and information for proximity based service in mobile communication system environment
WO2015053602A1 (fr) * 2013-10-11 2015-04-16 삼성전자 주식회사 Procédé et système pour prendre en charge des informations associées à la sécurité pour un service basé sur la proximité dans un environnement de système de communication mobile
US10694046B2 (en) 2013-10-31 2020-06-23 Samsung Electronics Co., Ltd. Method and system for charging information recording in device to device (D2D) communication
KR102224368B1 (ko) 2013-10-31 2021-03-08 삼성전자 주식회사 D2D(device to device) 통신에서의 과금 정보 기록을 위한 방법 및 시스템
KR20160078976A (ko) * 2013-10-31 2016-07-05 삼성전자주식회사 D2D(device to device) 통신에서의 과금 정보 기록을 위한 방법 및 시스템
US20160261757A1 (en) 2013-10-31 2016-09-08 Samsung Electronics Co., Ltd. Method and system for charging information recording in device to device (d2d) communication
US10187531B2 (en) 2013-10-31 2019-01-22 Samsung Electronics Co., Ltd. Method and system for charging information recording in device to device (D2D) communication
WO2015065079A1 (fr) * 2013-10-31 2015-05-07 Samsung Electronics Co., Ltd. Procédé et système de facturation d'enregistrement d'informations dans une communication dispositif à dispositif (d2d)
KR20150084224A (ko) * 2014-01-13 2015-07-22 삼성전자주식회사 이동 통신 시스템에서 서비스 발견 및 그룹 통신을 위한 보안 지원 방법 및 시스템
WO2015105402A1 (fr) * 2014-01-13 2015-07-16 삼성전자 주식회사 Procédé et système de prise en charge de sécurité pour découverte de service et communication de groupe dans un système de communication mobile
KR102100159B1 (ko) 2014-01-13 2020-04-13 삼성전자 주식회사 이동 통신 시스템에서 서비스 발견 및 그룹 통신을 위한 보안 지원 방법 및 시스템
US10271208B2 (en) 2014-01-13 2019-04-23 Samsung Electronics Co., Ltd. Security support method and system for discovering service and group communication in mobile communication system
KR20150086757A (ko) * 2014-01-20 2015-07-29 삼성전자주식회사 Ims을 지원하는 통신 방법 및 장치
KR102137962B1 (ko) * 2014-01-20 2020-07-27 삼성전자 주식회사 Ims을 지원하는 통신 방법 및 장치
CN105612774A (zh) * 2014-03-06 2016-05-25 华为技术有限公司 近距离业务的控制方法、装置及系统
CN105612774B (zh) * 2014-03-06 2019-06-11 华为技术有限公司 近距离业务的控制方法、装置及系统
RU2662406C2 (ru) * 2014-03-19 2018-07-25 Квэлкомм Инкорпорейтед Предотвращение атаки повторного воспроизведения при обнаружении связи устройство-устройство долгосрочного развития
WO2015147609A3 (fr) * 2014-03-28 2017-04-20 삼성전자 주식회사 Procédé et appareil destinés à une attribution de ressources dans un système de communication
US10404617B2 (en) 2014-03-28 2019-09-03 Samsung Electronics Co., Ltd. Method and apparatus for resource allocation in communication system
CN104980912A (zh) * 2014-04-11 2015-10-14 中兴通讯股份有限公司 ProSe临时标识的通知与更新方法和装置
CN104980912B (zh) * 2014-04-11 2019-10-25 中兴通讯股份有限公司 ProSe临时标识的通知与更新方法和装置
EP3018970A1 (fr) * 2014-11-07 2016-05-11 HTC Corporation Dispositif et procédé de gestion de service de proximité
CN107005598B (zh) * 2014-12-17 2020-04-07 阿尔卡特朗讯公司 经由呈现信息的邻近服务(prose)的公共安全ue通信框架
JP2018504031A (ja) * 2014-12-17 2018-02-08 アルカテル−ルーセント プレゼンス情報を介した近接サービス（ＰｒｏＳｅ）のための公共安全／セキュリティＵＥ通信フレームワーク
US10791452B2 (en) 2014-12-17 2020-09-29 Alcatel Lucent Public safety/security UE communication framework for prose via presence information
CN107005598A (zh) * 2014-12-17 2017-08-01 阿尔卡特朗讯公司 经由呈现信息的邻近服务（prose）的公共安全ue 通信框架
CN107637105A (zh) * 2015-04-06 2018-01-26 交互数字专利控股公司 针对邻近服务(ProSe)直接发现的方法、装置和系统
WO2016190721A1 (fr) * 2015-05-28 2016-12-01 엘지전자 주식회사 Procédé et appareil permettant de fournir un service de mandataire par l'intermédiaire d'un serveur mandataire nan dans un système de communications sans fil
WO2016209314A1 (fr) * 2015-06-25 2016-12-29 Intel Corporation Découverte et établissement de groupes de communications pour des communications de véhicule sans fil
US11395352B2 (en) 2015-06-25 2022-07-19 Intel Corporation Discovery and establishment of communication groups for wireless vehicular communications
WO2017057954A1 (fr) * 2015-09-30 2017-04-06 엘지전자 주식회사 Procédé d'émission/réception d'appel dans un système de communication sans fil et dispositif associé
US10701739B2 (en) 2015-09-30 2020-06-30 Lg Electronics Inc. Call transmitting/receiving method in wireless communication system and device for same

Also Published As

Publication number Publication date
US9706340B2 (en) 2017-07-11
KR20140128972A (ko) 2014-11-06
US20150043429A1 (en) 2015-02-12

Similar Documents

Publication Publication Date Title
WO2013122374A1 (fr) Procédé et appareil permettant de mettre en œuvre un service de proximité dans un système de communication sans fil
WO2015016546A1 (fr) Procédé de radiomessagerie et appareil pour service ims
WO2018008927A1 (fr) Procédé pour effectuer un contrôle d'accès dans un réseau de communication mobile de prochaine génération, et équipement d'utilisateur
WO2017095205A1 (fr) Procédé de transmission/réception d'un signal associé à une fonction de délestage de données
WO2019160278A1 (fr) Procédé de traitement d'établissement d'une session ma pdu, et nœud amf et nœud smf
WO2019216526A1 (fr) Procédé et équipement utilisateur pour réaliser un contrôle d'accès en 5gs
WO2018088812A1 (fr) Procédé et équipement utilisateur de transfert intercellulaire
WO2018194315A1 (fr) Procédé de traitement d'une procédure d'établissement de session pdu et nœud amf
WO2018038497A1 (fr) Procédé et équipement d'utilisateur de repli destinés à un appel vocal depuis une communication mobile 5g vers 4g
WO2018128528A1 (fr) Procédé pour gérer une session pdu dans un système de communication sans fil et appareil associé
WO2019098745A1 (fr) Procédé de transfert dans un système de communication sans fil, et appareil correspondant
WO2019198960A1 (fr) Procédé et smf permettant la prise en charge d'une qos
WO2018169244A1 (fr) Procédé de notification d'événement de mobilité dans un système de communication sans fil et dispositif correspondant
WO2018110939A1 (fr) Procédé d'attribution de zone de suivi dans un système de communication sans fil et appareil correspondant
WO2018131984A1 (fr) Procédé de mise à jour de configuration d'ue dans un système de communication sans fil, et appareil associé
WO2018097599A1 (fr) Procédé de désenregistrement dans un système de communication sans fil, et dispositif correspondant
WO2018066919A1 (fr) Procédé de connexion à un réseau et équipement utilisateur
WO2018008980A1 (fr) Procédé permettant de sélectionner une opération de ressource préférée par l'utilisateur dans un système de communication sans fil et dispositif associé
WO2016140507A1 (fr) Procédé et appareil permettant de fournir un service dans un système de communication sans fil
WO2017078491A1 (fr) Procédé pour transmettre des données dans un système ciot et dispositif associé
WO2018128519A1 (fr) Procédé par lequel un ue relais ayant une connexion avec un ue distant connecte un réseau dans un système de communication sans fil et appareil associé
WO2019135581A1 (fr) Procédé et équipement utilisateur pour effectuer une procédure de demande de connexion
WO2018230928A1 (fr) Procédé et appareil de signalement d'informations d'emplacement d'un équipement utilisateur dans un système de communications sans fil
WO2013009008A1 (fr) Procédé et terminal pour réaliser une procédure de détachement
WO2014042482A2 (fr) Procédé et appareil pour commander un service particulier dans un état de congestion de réseau dans un système de communication sans fil

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13749621

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20147021124

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 14376820

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13749621

Country of ref document: EP

Kind code of ref document: A1